403373400697 has 2 divisors, whose sum is σ = 403373400698. Its totient is φ = 403373400696.

The previous prime is 403373400671. The next prime is 403373400701. The reversal of 403373400697 is 796004373304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385257317481 + 18116083216 = 620691^2 + 134596^2 .

It is a cyclic number.

It is not a de Polignac number, because 403373400697 - 2³¹ = 401225917049 is a prime.

It is not a weakly prime, because it can be changed into another prime (403373470697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201686700348 + 201686700349.

It is an arithmetic number, because the mean of its divisors is an integer number (201686700349).

Almost surely, 2^403373400697 is an apocalyptic number.

It is an amenable number.

403373400697 is a deficient number, since it is larger than the sum of its proper divisors (1).

403373400697 is an equidigital number, since it uses as much as digits as its factorization.

403373400697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 403373400697 in words is "four hundred three billion, three hundred seventy-three million, four hundred thousand, six hundred ninety-seven".